XD-01 is a multi-functional portable headphone amp that consists of USB, coaxial, optical fiber decoding and amp. It accepts up to 24Bit/192KHz high resolution audio signal. It has SRC function that can increase sampling up to 24bit/192KHz, and has one 2-Setting Gain Switch to set GAIN according to the headphones. Its power supply is built-in a 4.2V li-polymer rechargeable battery.
Power Source: DC 4.2V built-in li-polymer rechargeable battery
Compliant OS: Win XP, Vista, Win7, Win8, MAC OS X
Supported sampling: USB input: Maximum 96kHz/24bit
coaxial, optical input: Maximum 192kHz/24bit
Output Power: 320mW(32Ω load)
Frequency Range: Audio In：10Hz~100KHz(±0.5dB)
USB/SPDIF In: 20Hz~20KHz(±0.5dB)
THD+N: 0.004% （1KHz）
Suitable Headphone Impedance: 8Ω〜300Ω
Playback time: >17H(USB/SPDIF In), >23H(AUX In)
Charging Time: <4H
It adopts TI TAS1020B for USB signal input, PC jitter-free USB Audio with Asynchronous Transfer Mode, provides I2S interface for decoding, accepts up to 24Bit/96KHz high resolution audio signal.
It adopts CS8422 for SPDIF signal input, works at asynchronous transmission mode, provides I2S interface for decoding, accepts up to 24Bit/192KHz high resolution audio signal.
Adopts high-performance D/A chip: WM8740, accepts up to 192KHz/24Bit I2S signal, ultra-low distortion, low noise, high slew rate for analog.
Adopts high dynamic and current opamp from TI Company, current-feedback architecture, high slew rate, OCL(OUTPUT capacitor-less)with Split power supply.
SRC function can increase sampling up to 24bit/192KHz
One 2-Setting Gain Switch to set GAIN according to the headphones
Rechargeable li-polymer battery with integrated charging system
Use aluminum-shielded case to prevent external interference noise
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